#include<bits/stdc++.h>
using namespace std;
const int MAXN=1e5+5;
vector<int> r(MAXN);
vector<int> t(MAXN);
int n;
int main(){
    freopen("duel.in","r",stdin);
    freopen("duel.out","w",stdout);

    scanf("%d",&n);
    for(int i=0;i<n;i++){
        scanf("%d",&r[i]);
    }

    for(int i=0;i<MAXN;i++){//inti
        t[i]=0;
    }

    for(int i=0;i<n;i++){//flag
        t[r[i]]++;
    }
    int bc=0;
    for(int i=0;i<=MAXN;i++){
        if(bc<t[i]){
            bc=t[i];
        }
    }
    printf("%d",bc);
    return 0;
}
